Dear maths lovers, Let your practice begins in minuteness but ends in magnificence.It is impossible to study maths properly by just reading and listening. So, practise, practise & more practise. For that, we are providing here Quant Quiz of 15 Miscellaneous Questions in accordance with the syllabus of SSC CGL.We have also provided Study Notes and quizzes on all the topics.
Q1. The students in three classes are in the ratio 2 : 3 : 5. If 20 students are increased in each class, the ratio changes to 4 : 5 : 7. Originally the total number of students was:
(a) 50
(b) 90
(c) 100
(d) 150
Q2. There is 81 litres pure milk in a container. One-third of milk is replaced by water in the container. Again one-third of mixture is extracted and equal amount of water id added. What is the ratio of milk to water in the new mixture?
(a) 1 : 2
(b) 1 : 1
(c) 2 : 1
(d) 4 : 5
Q3. In 80 litres mixture of milk and water the ratio of amount of milk to that of amount of water is 7 : 3. In order to make this ratio 2 : 1, how many litres of water should be added?
(a) 5
(b) 6
(c) 8
(d) 4
Q4. A is 30% more efficient than B and can alone do a piece of work in 23 days. In how many days A and B working together, can finish the job is
(a) 11 days
(b) 13 days
(c) 20 days
(d) 21 days
Q5. A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take:
(a) 71/2 days
(b) 8 days
(c) 10 days
(d) 7 days
Q6. ‘x’ number of men can finish a piece of work in 30 days. If there were 6 men more, the work could be finished in 10 days less. The original number of men is
(a) 6
(b) 10
(c) 12
(d) 15
Q7. If the work done by (x – 1) men in (x + 1) days and the work done by (x + 2) men in (x – 1) days are in the ratio 9 : 10, then the value of x is equal to:
(a) 5
(b) 6
(c) 7
(d) 8
Q8. A train 100 metres long meets a man going in opposite direction at 5 km/hr and passes him in 71/5 seconds. What is the speed of the train (in km/hr)?
(a) 45 km/hr
(b) 60 km/hr
(c) 55 km/hr
(d) 50 km/hr
Q9. Two trains start from a certain place on two parallel tracks in the same direction. The speed of the trains are 45 km/hr and 40 km/hr respectively. The distance between the two trains after 45 minutes will be
(a) 2 km 500 m
(b) 2 km 750 m
(c) 3 km 750 m
(d) 3 km 250 m
Q10. P and Q are 27 km away. Two trains with speed of 24 km/hr and 18 km/hr respectively start simultaneously from P and Q and travel in the same direction. They meet at a point R beyond Q. Distance QR is
(a) 126 km
(b) 81 km
(c) 48 km
(d) 36 km
Q11. Sarita and Julie start walking from the same place in the opposite directions. If Julie walks at a speed of 21/2 km/hr and Sarita at a speed of 2 km/hr, in how much time will they be 18 km apart?
(a) 4.0 hrs
(b) 4.5 hrs
(c) 5.0 hrs
(d) 4.8 hrs
Q12. A number x is divisible by 7 when this number is divided by 8, 12 and 16, if leaves a remainder 3 in each ease. The least value of x is:
(a) 149
(b) 150
(c) 147
(d) 148
Q14. In an exam the sum of the scores of A and B is 120, that of B and C is 130 and that of C and A is 140. Then the score of C is:
(a) 70
(b) 75
(c) 60
(d) 65
Q15. The number which can be written in the form of n (n + 1) (n + 2), where n is a natural number, is
(a) 7
(b) 5
(c) 3
(d) 6
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